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Very High Idle Temps w/ H100i

post #1 of 4
Thread Starter 
Hi, I need help pinpointing and hopefully fixing a heat problem I'm having with my system. I completed this build (specs listed below) at the beginning of December. This was my third build, but first one that I've overclocked. I mostly used the auto overclocking tool provided in the BIOS. Initially, it was overclocked to 4.2 ghz and everything was stable and temps were fine (~30 deg C idle, up to ~70C load). A few weeks ago I noticed my temps had started going up. Idle temps were in the mid 40s C and load temps sometimes got as high as mid 90s C. I checked all fans and the pump on the H100i; everything seemed to be working properly. I lowered the OC to around 3.9 ghz. I don't recall the voltages off of the top of my head, but they seemed appropriate from what I've read.

The other day when I got home I noticed my computer was making more noise than usual, checked the temps and the CPU temp was around ~70 under idle conditions. There was a slight rattling sound that sounded like it was coming from the pump mounting, but I'm not entirely sure. The H100i fans were running at around 2400 rpm and the pump was also working according to Corsair Link. All other case fans were working as well. I shut the computer down and looked to see if I could find an obvious problem. I checked to be sure the backplate was mounted securely, it was pretty snug from what I could tell. I cleaned off and reapplied the thermal paste (pea sized amount) and remounted the cooler to the CPU. None of these fixed the problem. Idle temps wound gradually climb to about 70 degrees C within a couple of minutes upon start-up. I felt the tubes to see if I could feel liquid moving through them, it seemed like it was. One tube was noticeably warmer than the other.

I'm pretty much at a loss of what to do next besides RMAing the H100i because of the possible rattling noise and hoping that's the problem. This weekend I'll probably try attaching the stock cooler that came with the processor to see if that fixes the problem. Does anyone else have any other ideas?

Here are some pics of how it's mounted (front and back), maybe there's something that I did incorrectly. http://imgur.com/a/yOjvo#iCYsY5t

Computer Specs:
CPU: i7 4770K @ 3.9 Ghz
MB: ASUS Maximus VI Hero
Cooler: Corsair H100i
RAM: G.Skill Trident X Series 16GB (2 x 8GB) DDR3-2400
VC: Sapphire R9 280X Toxic
PS: SeaSonic SS-760XP2
OS: Windows 8.1
post #2 of 4
One tube shouldn't be warmer than the other. The water should be equalized within a few minutes of going throughout your loop. Either I think your pump died / isn't working properly or your radiator might be clogged with dust / fans are working. I'm guessing the fans are working because you would notice that pretty quickly. I would contact corsair either by phone or online. They have really good customer service and will take care of you in any event that may have happened with your cooler. Good luck! thumb.gif
post #3 of 4
I'd expect about 0.4 - 0.5C difference in rad flow per fan mount.....so with twin 140s, 1C / 2F would be expected. Unfortunately wuitha closed loop you can add a flow indiactor or soemthing that would at least give you a visual aid with regard to flow.
911 Carrera
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel w/ EK Supremacy Cooling Block - Clean P... Asus Maximus VI Formula 2 x Asus GTX 780 DCII w/ EK Full Cover Blocks a... Mushkin Red Line Ridgeback 2 x 8GB DDR302400 10... 
Hard DriveHard DriveOptical DriveCooling
2 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB (2 x Seagate ST2000DX001 2TB 7200 RPM 64MB Cach... Asus BW-12B1ST/BLK/G/AS Blue Ray Writer 1 x Alphacool NexXxoS XT45-420 + 1 x Alphacool ... 
CoolingCoolingCoolingCooling
1 x Swiftech 35x2 w/ Heatsink and NB Fan EK -MultiOption RES X3 250 White Acetal Reservoir 5 x PH-F140SP_BK_BLED + 5 x PH-F140SP_BK E22 Rigid 10/12 Acrylic Tubing and Bitspower Ma... 
CoolingOSMonitorKeyboard
2 x Reeven Six Eyes Fan Controller Windows 7 64 Bit Professional OEM ASUS VG248QE Black 23" 144 Hz Monitor Logitech G19s 920-004985 
PowerCaseMouseAudio
Seasonic X-1250 Phanteks Enthoo Primo Ultimate Chassis Asus RoG GX950 Laser Mouse  Logitech Z5500 
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911 Carrera
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel w/ EK Supremacy Cooling Block - Clean P... Asus Maximus VI Formula 2 x Asus GTX 780 DCII w/ EK Full Cover Blocks a... Mushkin Red Line Ridgeback 2 x 8GB DDR302400 10... 
Hard DriveHard DriveOptical DriveCooling
2 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB (2 x Seagate ST2000DX001 2TB 7200 RPM 64MB Cach... Asus BW-12B1ST/BLK/G/AS Blue Ray Writer 1 x Alphacool NexXxoS XT45-420 + 1 x Alphacool ... 
CoolingCoolingCoolingCooling
1 x Swiftech 35x2 w/ Heatsink and NB Fan EK -MultiOption RES X3 250 White Acetal Reservoir 5 x PH-F140SP_BK_BLED + 5 x PH-F140SP_BK E22 Rigid 10/12 Acrylic Tubing and Bitspower Ma... 
CoolingOSMonitorKeyboard
2 x Reeven Six Eyes Fan Controller Windows 7 64 Bit Professional OEM ASUS VG248QE Black 23" 144 Hz Monitor Logitech G19s 920-004985 
PowerCaseMouseAudio
Seasonic X-1250 Phanteks Enthoo Primo Ultimate Chassis Asus RoG GX950 Laser Mouse  Logitech Z5500 
  hide details  
Reply
post #4 of 4
Thread Starter 
Alright, thanks for the help. I contacted Corsair and they're sending a replacement.
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